Stockholders' Equity - Schedule of Distributions On Common Stock (Parenthetical) (Detail) |
12 Months Ended |
|---|---|
Dec. 31, 2015 | |
| Equity [Abstract] | |
| Percentage of qualified dividends | 98.53746% |
| X | ||||||||||
- Definition Percentage of distributions classified as qualified dividends. No definition available.
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| X | ||||||||||
- References No definition available.
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